{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T22:26:36Z","timestamp":1761863196944},"reference-count":20,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2013,7,2]],"date-time":"2013-07-02T00:00:00Z","timestamp":1372723200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cathet Cardio Intervent"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Stent thrombosis (ST) is associated with a significant burden of coronary thrombus and potential microvascular obstruction. Aspiration thrombectomy may decrease the extent of microvascular obstruction in patients with acute myocardial infarction but its role in the treatment of ST is uncertain. The present study sought to evaluate the association between aspiration thrombectomy, procedural success and long\u2010term outcomes among patients presenting with ST.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In a multicenter cohort of patients with definite ST, procedural success, long\u2010term mortality, and major adverse cardiovascular events (death, stroke, re\u2010infarction, revascularization) were ascertained. Propensity weighting was used to determine the association between aspiration thrombectomy and long\u2010term outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 205 patients with ST were identified. Among these, 115 (56%) patients underwent adjunctive aspiration thrombectomy during percutaneous coronary intervention. Patients undergoing aspiration thrombectomy were more likely to present with ST\u2010elevation myocardial infarction (75% vs. 52%, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.003) and require hemodynamic support (19% vs. 10%, <jats:italic>P<\/jats:italic>\u2009=\u20090.07). Aspiration thrombectomy was associated with improved procedural outcomes including postprocedural TIMI 3 flow, resulting in higher angiographic and procedural success (each 96% vs. 83%, <jats:italic>P<\/jats:italic> &lt; 0.001). Despite improved angiographic outcomes, the use of aspiration thrombectomy was not associated with a difference in long\u2010term mortality (adjusted HR 0.99, 95% CI 0.44\u20132.24) or major adverse cardiovascular events (adjusted HR 1.06, 95% CI 0.45\u20132.48).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Aspiration thrombectomy is associated with improved coronary flow and procedural success but is not associated with improved long\u2010term outcomes among patients undergoing percutaneous intervention for definite ST.<\/jats:p><jats:p><jats:styled-content>Clinical Trial Registration<\/jats:styled-content>: NCT00931502 (<jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/www.clinicaltrials.gov\/ct2\/show\/NCT00931502\">http:\/\/www.clinicaltrials.gov\/ct2\/show\/NCT00931502<\/jats:ext-link>) \u00a9 2013 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ccd.25007","type":"journal-article","created":{"date-parts":[[2013,5,22]],"date-time":"2013-05-22T14:30:24Z","timestamp":1369233024000},"page":"1048-1053","source":"Crossref","is-referenced-by-count":10,"title":["Procedural success and long\u2010term outcomes of aspiration thrombectomy for the treatment of stent thrombosis"],"prefix":"10.1002","volume":"82","author":[{"given":"Stephen W.","family":"Waldo","sequence":"first","affiliation":[{"name":"Department of Medicine, Division of Cardiology University of California San Francisco California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ehrin J.","family":"Armstrong","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiovascular Medicine University of California Davis California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Khung\u2010Keong","family":"Yeo","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiovascular Medicine University of California Davis California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mitul","family":"Patel","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiovascular Medicine University of California San Diego California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryan","family":"Reeves","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiovascular Medicine University of California San Diego California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John S.","family":"MacGregor","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology University of California San Francisco California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Reginald I.","family":"Low","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiovascular Medicine University of California Davis California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ehtisham","family":"Mahmud","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiovascular Medicine University of California San Diego California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jason H.","family":"Rogers","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiovascular Medicine University of California Davis California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kendrick","family":"Shunk","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology University of California San Francisco California"},{"name":"Department of Medicine Veterans Affairs Medical Center San Francisco 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